Home / 23,828.40-32,875.58-13,755.50

Finding the Fourth Proportional to 23,828.40, 32,875.58 and 13,755.50

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Solution

The fourth proportional to 23,828.40, 32,875.58 and 13,755.50 is: 18,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,828.40 : 32,875.58 = 13,755.50 : x
  2. Step 2: Convert to fraction form
    23,828.40/32,875.58 = 13,755.50/x
  3. Step 3: Cross multiply
    23,828.40x = 32,875.58 × 13,755.50
  4. Step 4: Simplify right side
    23,828.40x = 452,220,040.69
  5. Step 5: Solve for x
    x = 452,220,040.69/23,828.40
  6. Step 6: Final answer
    x = 18,978.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.